The larger and "senior friendly" Nintendo DSi XL has been given a European launch date -March 5. With 93% larger screens Nintendo DSi XL and larger stylus, as well as built in Brain Training, dictionary and browser, the Nintendo DSi XL is aimed at a slightly different audience.
On the same day Picross 3D will in Europe, and if you're looking into getting a DSi XL, perhaps that's a good worth exploring too.